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Key to Brassicaceae, Key D: plants in fruit, trichomes of plant present with some or most or all branched

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1 Fruits silicles (<3× as long as wide).
  2 Leaves basal only
  2 Plant with some cauline leaves.
    3 Cauline leaves sessile; blade bases auriculate, sagittate, or amplexicaulous.
      4 Fruits narrowly pyriform to pyriform or broadly obovoid
      4 Fruits obdeltoid
    3 Cauline leaves petiolate or sessile and not auriculate.
        5 Leaves 2-3× pinnately dissected
        5 Leaves not pinnately dissected.
          6 Fruits with 1-2 seeds
             7 Plants canescent (grayish-green pubescent) throughout; plants herbaceous
             7 Plants green, not canescent throughout (sometimes sparsely pubescent, especially distally, but not uniformly canescent); larger plants often suffruticose
          6 Fruits with 4 or more seeds.
               8 Seeds without differentiated margin
                 9 Plants with basal leaves strongly rosulate
                 9 Plants without strong basal leaf rosette, instead leaves cauline
1 Fruits siliques (> 3× as long as wide).
                   10 Leaves basal only
                   10 Plant with some cauline leaves.
                     11 Cauline leaves sessile; blade bases auriculate, sagittate, or amplexicaule.
                       12 Seeds biseriate
                       12 Seeds uniseriate.
                          13 Siliques straight, slightly ascending to strictly erect or appressed; seeds 0.6-1.7 mm long; basal leaves < 8 cm long
                          13 Siliques curved or straight, ascending to descending, seeds either <1mm long or < 2.5 mm long, basal leaves 2.5-20 cm long
                     11 Cauline leaves petiolate or sessile and not auriculate.
                            14 Trichomes sessile, medifixed
                            14 Trichomes not sessile and medifixed.
                              15 Leaves 2-3× pinnately dissected
                              15 Leaves not 2-3× pinnately dissected..
image of plant
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                                16 Stigmas 2-lobed with lobes connivent and decurrent to erect
                                16 Stigmas entire and capitate, rarely slightly 2-lobed.
                                  17 Seeds unseriate
                                  17 Seeds biseriate.